The StarCraft II Website announces that a new version 1.5.4 patch is now automatically available for StarCraft II: Wings of Liberty, Blizzard's real-time strategy sequel. This is moot at this very moment, as Battle.net is down for scheduled maintenance (perhaps the installation of this very patch), but in the meantime, players can read about changes the new version brings. Here are the patch 1.5.3 notes, and here's an overview:

Bug Fixes

General

Several improvements have been made to address an issue where players would load into a game slightly later than other players. Additional details regarding this are in this forum thread

Fixed an issue that occasionally caused stuttering in the middle of a game.

Fixed a rare issue that caused prevented players launching the patched client without an Internet connection from accessing features in Offline Mode.